SANTA ROSA, CA · Sonoma County
DELORES LANE WATER SYSTEM Water System
Consumer Confidence Report status
DELORES LANE WATER SYSTEM must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for DELORES LANE WATER SYSTEM.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA4901346
- System type
- Community Water System
- Population served
- 59
- Service connections
- 17
- Ownership
- privately owned
- Water source
- groundwater (wells)
DELORES LANE WATER SYSTEM is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 59 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2017, all of which EPA lists as closed. Nothing has been added since 2017.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves inorganic chemicals.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedArsenic
October 1, 2017 – December 31, 2017
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2017 – December 31, 2017 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- June 21, 2018State Compliance achieved19 linked violations
- May 2, 2008State Administrative/Compliance Order without penalty issued8 linked violations
Common questions
Is DELORES LANE WATER SYSTEM required to publish a Consumer Confidence Report?
- Yes. DELORES LANE WATER SYSTEM is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is DELORES LANE WATER SYSTEM’s next Consumer Confidence Report due?
- DELORES LANE WATER SYSTEM’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does DELORES LANE WATER SYSTEM have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for DELORES LANE WATER SYSTEM.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
WILLIAMS, DEBBIE
707-591-9533
SANTA ROSA, CA 95401